The Roma is a specific type of plum tomato, which is a variety of tomato that is bred for processing purposes. Plum tomatoes have higher solid content and fewer seeds, making them ideal for producing sauces and pastes. (Read more about plum tomatoes on Wikipedia.)

Tomatoes are exceptionally high in vitamins A, C, and K, as well as potassium. They are probably best known for being a rich source of lycopene, a phytochemical that has been vigorously studied for its antioxidant and cancer-preventing properties. Tomato lycopene has been found to protect against prostate, colorectal, breast, endometrial, lung, and pancreatic cancers, and the list keeps growing! (Read more about the health benefits of tomatoes on World's Healthiest Foods and get your nutrition facts on Self.com.)